/* roulang page: index */
:root{
    --bg-base:#070A12;
    --bg-elev:#0E1421;
    --bg-panel:#131A28;
    --glass-bg:rgba(255,255,255,.055);
    --glass-bg-strong:rgba(255,255,255,.09);
    --glass-border:rgba(140,190,255,.16);
    --glass-blur:blur(14px);
    --brand:#21C7FF;
    --brand-deep:#0E63C8;
    --accent:#7C5CFF;
    --warn:#FFB020;
    --live:#FF4D6D;
    --text-1:#EAF2FF;
    --text-2:#A9B6CC;
    --text-3:#6F7C93;
    --glow:0 0 0 1px rgba(33,199,255,.35),0 10px 30px -10px rgba(33,199,255,.55);
    --glow-purple:0 0 0 1px rgba(124,92,255,.35),0 10px 30px -10px rgba(124,92,255,.55);
    --r-card:18px;
    --r-big:24px;
    --r-btn:12px;
    --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
    --shadow-card-hover:0 18px 40px -16px rgba(0,0,0,.85);
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:
      radial-gradient(1100px 620px at 12% -10%, rgba(33,199,255,.10), transparent 60%),
      radial-gradient(900px 560px at 92% 4%, rgba(124,92,255,.10), transparent 62%),
      var(--bg-base);
    color:var(--text-2);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{color:var(--text-1);font-weight:700;letter-spacing:-0.01em;margin:0;}
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  button,input{font-family:inherit;font-size:inherit;}
  .container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%;}
  .glass{
    background:var(--glass-bg);
    border:1px solid var(--glass-border);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-radius:var(--r-card);
    box-shadow:var(--shadow-card);
  }
  .glass-strong{background:var(--glass-bg-strong);}
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--brand);
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
  .sec-title{font-size:clamp(24px,3vw,34px);line-height:1.3;}
  .sec-desc{color:var(--text-2);font-size:15px;max-width:640px;margin-top:12px;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 11px;border-radius:999px;font-size:12px;letter-spacing:.02em;
    background:rgba(124,92,255,.14);border:1px solid rgba(124,92,255,.32);color:#C9BAFF;
    white-space:nowrap;
  }
  .badge-live{background:rgba(255,77,109,.14);border-color:rgba(255,77,109,.4);color:#FF9CB1;}
  .badge-warn{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.4);color:#FFD48A;}
  .badge-mute{background:rgba(140,190,255,.08);border-color:var(--glass-border);color:var(--text-3);}
  .dot-live{width:7px;height:7px;border-radius:999px;background:var(--live);animation:pulse 1.6s infinite;}
  @keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(.78);}}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 20px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:14px;font-weight:600;cursor:pointer;
    transition:all .22s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#04121C;box-shadow:var(--glow);}
  .btn-primary:hover{background:#4AD4FF;transform:translateY(-1px);}
  .btn-primary:active{background:var(--brand-deep);transform:translateY(1px);color:#EAF2FF;}
  .btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--brand);}
  .btn-ghost:hover{background:rgba(33,199,255,.08);transform:translateY(-1px);}
  .btn-text{background:transparent;color:var(--brand);padding:8px 4px;}
  .btn-text:hover{gap:12px;}
  .btn:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .field{
    width:100%;padding:12px 14px;border-radius:var(--r-btn);
    background:rgba(7,10,18,.72);border:1px solid var(--glass-border);
    color:var(--text-1);transition:border-color .2s,box-shadow .2s;
  }
  .field::placeholder{color:var(--text-3);}
  .field:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(33,199,255,.16);outline:none;}
  .card{
    position:relative;overflow:hidden;border-radius:var(--r-card);
    background:var(--glass-bg);border:1px solid var(--glass-border);
    box-shadow:var(--shadow-card);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .card:hover{transform:translateY(-3px);border-color:rgba(33,199,255,.42);box-shadow:var(--shadow-card-hover);}
  .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#0A101C;}
  .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
  .card:hover .thumb img{transform:scale(1.04);}
  .thumb::after{
    content:"";position:absolute;inset:auto 0 0 0;height:58%;
    background:linear-gradient(180deg,transparent,rgba(7,10,18,.92));
  }
  .rating-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  .cd-cell{
    border-radius:14px;background:rgba(7,10,18,.66);border:1px solid var(--glass-border);
    padding:12px 6px;text-align:center;
  }
  .cd-num{font-size:clamp(22px,4vw,30px);font-weight:700;color:var(--warn);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
  .cd-label{font-size:11px;color:var(--text-3);letter-spacing:.12em;margin-top:2px;}
  .rail{
    display:flex;gap:20px;overflow-x:auto;padding:6px 4px 18px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .rail::-webkit-scrollbar{height:8px;}
  .rail::-webkit-scrollbar-track{background:transparent;}
  .rail::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px;}
  .rail::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.42);}
  .rail-item{scroll-snap-align:start;flex:0 0 calc((100% - 60px)/4);min-width:0;}
  .chip{
    display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
    border:1px solid var(--glass-border);background:var(--glass-bg);
    font-size:13px;color:var(--text-2);transition:all .2s ease;white-space:nowrap;
  }
  .chip:hover{border-color:rgba(33,199,255,.45);color:var(--brand);}
  .chip.active{background:rgba(33,199,255,.14);border-color:rgba(33,199,255,.6);color:var(--brand);box-shadow:var(--glow);}
  .stat-num{font-size:clamp(26px,3.4vw,38px);font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;}
  .stat-num span{font-size:16px;color:var(--brand);margin-left:2px;}
  .faq-item{border-bottom:1px solid var(--glass-border);}
  .faq-item:last-child{border-bottom:none;}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 4px;background:transparent;border:none;color:var(--text-1);
    font-size:16px;font-weight:600;text-align:left;cursor:pointer;transition:color .2s;
  }
  .faq-q:hover{color:var(--brand);}
  .faq-q i{color:var(--brand);transition:transform .26s ease;font-style:normal;font-size:18px;line-height:1;}
  .faq-item.open .faq-q i{transform:rotate(45deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
  .faq-a p{margin:0 0 18px;padding-left:14px;border-left:2px solid var(--brand);color:var(--text-2);font-size:15px;}
  .faq-item.open .faq-q{color:var(--brand);}
  header.site-head{
    position:fixed;top:0;left:0;right:0;z-index:60;
    background:rgba(7,10,18,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid transparent;transition:all .3s ease;
  }
  header.site-head.is-stuck{background:rgba(7,10,18,.92);border-bottom-color:var(--glass-border);}
  .head-inner{padding-top:16px;padding-bottom:14px;transition:padding .3s ease;}
  header.site-head.is-stuck .head-inner{padding-top:8px;padding-bottom:8px;}
  .brand-mark{
    width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
    background:linear-gradient(140deg,var(--brand),var(--accent));color:#04121C;
    font-weight:800;font-size:15px;letter-spacing:.02em;flex:0 0 auto;
    box-shadow:0 8px 22px -10px rgba(33,199,255,.8);
  }
  .brand-name{font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em;line-height:1.2;}
  .brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;}
  .search-wrap{position:relative;flex:1 1 auto;max-width:340px;}
  .search-wrap input{padding-left:38px;height:42px;border-radius:999px;}
  .search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);}
  .search-wrap input:focus + svg{color:var(--brand);}
  .nav-row{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px;}
  .nav-row::-webkit-scrollbar{display:none;}
  .nav-link{
    position:relative;padding:8px 14px;font-size:14px;color:var(--text-2);
    border-radius:10px;transition:color .2s,background .2s;white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand);background:rgba(33,199,255,.07);}
  .nav-link.active{color:var(--text-1);background:rgba(33,199,255,.1);}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
  }
  .trend-row{display:flex;gap:8px;overflow-x:auto;}
  .trend-row::-webkit-scrollbar{display:none;}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;z-index:80;
    background:rgba(14,20,33,.96);backdrop-filter:blur(16px);
    border-left:1px solid var(--glass-border);
    transform:translateX(102%);transition:transform .3s ease;padding:24px 22px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0);}
  .drawer-link{
    display:block;padding:14px 12px;border-radius:12px;color:var(--text-1);
    font-size:17px;font-weight:600;border-bottom:1px solid rgba(140,190,255,.1);
  }
  .drawer-link:hover,.drawer-link.active{background:rgba(33,199,255,.1);color:var(--brand);}
  .mask{
    position:fixed;inset:0;background:rgba(4,7,14,.66);z-index:70;opacity:0;pointer-events:none;transition:opacity .3s;
  }
  .mask.open{opacity:1;pointer-events:auto;}
  .channel-a{grid-column:span 7;}
  .channel-b{grid-column:span 5;}
  .footer-link{display:block;padding:6px 0;font-size:14px;color:var(--text-2);transition:color .2s,transform .2s;}
  .footer-link:hover{color:var(--brand);transform:translateX(3px);}
  .hero-cover{border-radius:var(--r-big);overflow:hidden;border:1px solid var(--glass-border);position:relative;aspect-ratio:16/9;}
  .hero-cover img{width:100%;height:100%;object-fit:cover;}
  .hero-cover::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,10,18,.05),rgba(7,10,18,.82));
  }
  ::-webkit-scrollbar{width:8px;height:8px;}
  ::-webkit-scrollbar-track{background:transparent;}
  ::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px;}
  ::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.4);}
  @media (max-width:1024px){
    .section{padding:64px 0;}
    .rail-item{flex:0 0 calc((100% - 20px)/2);}
    .channel-a,.channel-b{grid-column:span 12;}
  }
  @media (max-width:768px){
    .container{padding:0 16px;}
    .section{padding:48px 0;}
    .section-tight{padding:40px 0;}
    .rail-item{flex:0 0 78%;}
    .nav-row{gap:2px;}
  }
  @media (max-width:520px){
    body{font-size:15px;}
    .rail-item{flex:0 0 86%;}
  }

/* roulang page: category1 */
:root{
  --bg-base:#070A12;
  --bg-elev:#0E1421;
  --bg-panel:#131A28;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-bg-strong:rgba(255,255,255,0.09);
  --glass-border:rgba(140,190,255,0.16);
  --glass-blur:blur(14px);
  --brand:#21C7FF;
  --brand-deep:#0E63C8;
  --accent:#7C5CFF;
  --warn:#FFB020;
  --live:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6F7C93;
  --glow:0 0 0 1px rgba(33,199,255,.35), 0 10px 30px -10px rgba(33,199,255,.55);
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
  --shadow-hover:0 18px 40px -16px rgba(0,0,0,.85);
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  margin:0;
  min-height:100vh;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:
    radial-gradient(900px 520px at 10% -6%, rgba(33,199,255,.10), transparent 62%),
    radial-gradient(760px 480px at 94% 2%, rgba(124,92,255,.11), transparent 60%),
    var(--bg-base);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{color:var(--text-1);font-weight:700;letter-spacing:-.01em;line-height:1.35;}
p{margin:0 0 1em;}
a{color:var(--brand);text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}

::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.42);}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}

.section{padding-top:52px;padding-bottom:52px;}
@media(min-width:768px){.section{padding-top:68px;padding-bottom:68px;}}
@media(min-width:1024px){.section{padding-top:88px;padding-bottom:88px;}}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.76);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-head.shrunk{background:rgba(7,10,18,.92);box-shadow:0 14px 36px -22px rgba(0,0,0,.95);}
.site-head .container{padding-top:14px;padding-bottom:6px;transition:padding .3s ease;}
.site-head.shrunk .container{padding-top:6px;padding-bottom:4px;}

.brand-mark{
  width:40px;height:40px;flex:0 0 auto;border-radius:12px;
  display:grid;place-items:center;
  font-size:14px;font-weight:700;letter-spacing:.06em;color:#04121c;
  background:linear-gradient(140deg,var(--brand),#6ee0ff 52%,var(--accent));
  box-shadow:0 8px 22px -10px rgba(33,199,255,.75);
}
.brand-name{font-size:17px;font-weight:700;color:var(--text-1);line-height:1.25;letter-spacing:-.01em;}
.brand-sub{font-size:10px;letter-spacing:.22em;color:var(--text-3);line-height:1.5;}

.search-wrap{position:relative;display:flex;align-items:center;width:270px;}
.search-wrap svg{position:absolute;right:14px;color:var(--text-3);pointer-events:none;}

.field{
  width:100%;height:42px;padding:0 16px;
  background:rgba(9,13,22,.72);
  border:1px solid var(--glass-border);
  border-radius:12px;
  color:var(--text-1);font-size:14px;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field::placeholder{color:var(--text-3);}
.field:focus{outline:none;border-color:rgba(33,199,255,.72);box-shadow:0 0 0 3px rgba(33,199,255,.14);background:rgba(9,13,22,.9);}
.search-wrap .field{height:40px;padding-right:38px;border-radius:999px;background:var(--glass-bg);}
.search-wrap .field:focus{background:var(--glass-bg-strong);}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);white-space:nowrap;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:var(--text-1);border-color:rgba(33,199,255,.45);background:rgba(33,199,255,.12);transform:translateY(-1px);}

.nav-row{gap:2px;overflow-x:auto;scrollbar-width:none;align-items:center;}
.nav-row::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:14.5px;color:var(--text-2);
  border-radius:10px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text-1);background:var(--glass-bg);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(33,199,255,.9);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;font-family:inherit;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{
  background:linear-gradient(140deg,#3ad4ff,var(--brand) 55%,#12a6e0);
  color:#04121c;
  box-shadow:0 10px 26px -12px rgba(33,199,255,.85);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--glow);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(1px);background:var(--brand-deep);color:#fff;}
.btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--brand);}
.btn-ghost:hover{background:rgba(33,199,255,.1);border-color:rgba(33,199,255,.5);}
.btn-sm{height:34px;padding:0 14px;font-size:13px;border-radius:10px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;
  background:var(--glass-bg-strong);border:1px solid var(--glass-border);color:var(--text-2);
}
.badge-live{color:#ffdbe3;border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.14);}
.badge-soon{color:#ffe6bd;border-color:rgba(255,176,32,.45);background:rgba(255,176,32,.14);}
.badge-end{color:var(--text-3);}
.badge-topic{color:#ded6ff;border-color:rgba(124,92,255,.45);background:rgba(124,92,255,.16);}
.dot{width:7px;height:7px;border-radius:50%;background:var(--live);animation:pulse 1.6s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.55);}
  70%{box-shadow:0 0 0 8px rgba(255,77,109,0);}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0);}
}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  border-radius:var(--r-card);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(33,199,255,.4);box-shadow:var(--shadow-hover);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap;}
.crumb a{color:var(--text-3);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}

/* ---------- Hero ---------- */
.hero-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--glass-border);}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4;}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.6) 0%,rgba(7,10,18,.88) 58%,var(--bg-base) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:40px;padding-bottom:48px;}
@media(min-width:768px){.hero-inner{padding-top:72px;padding-bottom:76px;}}
.hero-title{
  font-size:clamp(26px,4.4vw,44px);line-height:1.22;letter-spacing:-.02em;
  color:#fff;font-weight:800;margin:0 0 14px;
  text-shadow:0 10px 32px rgba(0,0,0,.6);
}
.hero-lead{max-width:680px;font-size:15.5px;color:var(--text-2);margin:0;}

.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;margin-top:28px;max-width:740px;
  border:1px solid var(--glass-border);border-radius:18px;overflow:hidden;
  background:var(--glass-bg);backdrop-filter:var(--glass-blur);
}
@media(min-width:768px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr));}}
.hs-item{padding:14px 18px;background:rgba(10,15,26,.55);}
.hs-item strong{display:block;font-size:24px;font-weight:700;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.hs-item span{font-size:12.5px;color:var(--text-3);}

/* ---------- 日期筛选条 ---------- */
.date-bar{
  position:sticky;top:0;z-index:40;
  background:rgba(9,13,22,.86);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
}
.date-scroll{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none;}
.date-scroll::-webkit-scrollbar{display:none;}
.date-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;white-space:nowrap;
  color:var(--text-2);background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:all .22s ease;cursor:pointer;
}
.date-pill:hover{color:var(--text-1);border-color:rgba(33,199,255,.42);transform:translateY(-1px);}
.date-pill.active{
  color:#04121c;font-weight:600;
  background:linear-gradient(140deg,#3ad4ff,var(--brand));
  border-color:transparent;
  box-shadow:0 0 0 1px rgba(33,199,255,.4),0 10px 26px -12px rgba(33,199,255,.9);
}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:760px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(21px,2.9vw,30px);margin:0 0 10px;font-weight:700;}
.sec-head p{margin:0;font-size:14.5px;color:var(--text-3);}

/* ---------- 日程列表 ---------- */
.day-group{margin-top:30px;}
.day-group:first-of-type{margin-top:0;}
.day-label{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.day-label::before{
  content:"";width:8px;height:8px;border-radius:50%;flex:0 0 auto;
  background:var(--brand);box-shadow:0 0 12px rgba(33,199,255,.9);
}
.day-label h3{margin:0;font-size:16.5px;font-weight:700;}
.day-count{font-size:12.5px;color:var(--text-3);}
.day-line{flex:1;height:1px;background:linear-gradient(90deg,var(--glass-border),transparent);}

.sched-list{display:flex;flex-direction:column;gap:12px;}
.sched-item{
  display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;
  padding:18px 22px;
}
.sched-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));opacity:.85;
}
.sched-time{
  font-size:20px;font-weight:700;color:var(--text-1);letter-spacing:-.02em;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.sched-time span{display:block;margin-top:5px;font-size:11px;font-weight:400;letter-spacing:.06em;color:var(--text-3);}
.sched-title{margin:6px 0 4px;font-size:16px;font-weight:600;color:var(--text-1);line-height:1.5;}
.sched-desc{
  margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sched-actions{display:flex;align-items:center;gap:10px;}

@media(max-width:767px){
  .sched-item{grid-template-columns:1fr;gap:12px;padding:16px 18px;}
  .sched-time{font-size:17px;}
  .sched-time span{display:inline-block;margin:0 0 0 8px;}
  .sched-actions{width:100%;}
  .sched-actions .btn{flex:1;}
}

/* ---------- 图文卡片 ---------- */
.tile-cover{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--glass-border);}
.tile-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);}
.card:hover .tile-cover img{transform:scale(1.04);}
.tile-cover::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:56%;z-index:1;
  background:linear-gradient(180deg,transparent,rgba(7,10,18,.86));
}
.tile-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  background:rgba(10,15,26,.74);backdrop-filter:blur(8px);
}
.card-title{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--text-1);}
.card-text{margin:0 0 16px;font-size:14px;color:var(--text-3);line-height:1.75;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:600;color:var(--brand);
  transition:gap .2s ease,color .2s ease;
}
.link-more:hover{gap:10px;color:#7fe0ff;}

/* ---------- 步骤 ---------- */
.step-card{padding:26px 22px;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;margin-bottom:14px;
  font-size:13px;font-weight:700;letter-spacing:.04em;color:#e6dcff;
  background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.42);
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin:0 0 8px;font-size:16.5px;}
.step-card p{margin:0;font-size:14px;color:var(--text-3);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-list{
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:var(--glass-bg);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--glass-border);}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px 20px 26px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text-1);font-size:15.5px;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .25s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-q:hover{background:rgba(255,255,255,.035);color:#fff;}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-icon{flex:0 0 auto;color:var(--text-3);transition:transform .26s ease,color .26s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-a p{margin:0;padding:0 26px 20px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;gap:24px;
  padding:30px 24px;
  border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background:linear-gradient(135deg,rgba(33,199,255,.13),rgba(124,92,255,.12) 55%,rgba(255,255,255,.035));
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
}
@media(min-width:1024px){
  .cta-panel{grid-template-columns:1.05fr .95fr;align-items:center;padding:44px 44px;gap:40px;}
}
.cta-panel h2{font-size:clamp(20px,2.6vw,28px);margin:0 0 10px;}
.cta-panel p{margin:0;font-size:14.5px;color:var(--text-2);}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.cta-row{display:flex;gap:10px;}
@media(max-width:520px){.cta-row{flex-direction:column;}}
.form-note{font-size:12px;color:var(--text-3);margin:0;}
.form-note.ok{color:var(--brand);}

/* ---------- 页脚 ---------- */
.footer-link{
  display:block;padding:6px 0;font-size:14px;color:var(--text-3);
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--brand);transform:translateX(3px);}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:90;
  padding:24px 20px;overflow-y:auto;
  background:rgba(12,18,30,.97);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-left:1px solid var(--glass-border);
  transform:translateX(105%);
  transition:transform .32s cubic-bezier(.2,.7,.3,1);
}
.drawer.open{transform:none;}
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(3,6,12,.66);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer-link:hover{background:var(--glass-bg);color:var(--text-1);}
.drawer-link.active{color:var(--brand);border-color:rgba(33,199,255,.35);background:rgba(33,199,255,.1);}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.in{opacity:1;transform:none;transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.3,1);}
@media(prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: article */
:root{
  --bg-base:#070A12;
  --bg-elev:#0E1421;
  --bg-panel:#131A28;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bg-strong:rgba(255,255,255,.09);
  --glass-border:rgba(140,190,255,.16);
  --glass-blur:blur(14px);
  --brand:#21C7FF;
  --brand-deep:#0E63C8;
  --accent:#7C5CFF;
  --warn:#FFB020;
  --live:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6F7C93;
  --glow:0 0 0 1px rgba(33,199,255,.35), 0 10px 30px -10px rgba(33,199,255,.55);
  --glow-accent:0 0 0 1px rgba(124,92,255,.35), 0 10px 30px -10px rgba(124,92,255,.5);
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
  --shadow-hover:0 18px 40px -16px rgba(0,0,0,.85);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:
    radial-gradient(1100px 620px at 12% -10%, rgba(33,199,255,.13), transparent 62%),
    radial-gradient(900px 560px at 92% 4%, rgba(124,92,255,.12), transparent 60%),
    var(--bg-base);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--text-1);font-weight:700;letter-spacing:-.01em;margin:0}
p{margin:0 0 16px}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7FDCFF}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(33,199,255,.28)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.4)}
.container{width:100%!important;max-width:1240px!important;margin:0 auto!important;padding-left:24px!important;padding-right:24px!important}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
  transition:padding .25s ease,background .25s ease;
}
.head-inner{padding:14px 0 10px;transition:padding .25s ease}
.site-head.shrink{background:rgba(7,10,18,.9)}
.site-head.shrink .head-inner{padding:8px 0 6px}
.site-head.shrink .brand-sub{display:none}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#04121C;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(33,199,255,.45),0 10px 26px -12px rgba(33,199,255,.8);
}
.brand-name{font-size:16px;font-weight:700;color:var(--text-1);line-height:1.2;letter-spacing:0}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--text-3);line-height:1.4}
.search-wrap{
  position:relative;display:flex;align-items:center;
  border-radius:var(--r-pill);
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  padding:0 38px 0 16px;
  width:250px;height:38px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-wrap svg{position:absolute;right:14px;color:var(--text-3)}
.search-wrap:focus-within{border-color:rgba(33,199,255,.6);box-shadow:var(--glow);background:var(--glass-bg-strong)}
.field{
  width:100%;height:100%;background:transparent;border:0;outline:none;
  color:var(--text-1);font-size:13.5px;letter-spacing:.01em;
}
.field::placeholder{color:var(--text-3)}
.trend-row{display:flex;gap:8px;align-items:center}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;color:var(--text-2);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:.2s ease;white-space:nowrap;
}
.chip:hover{color:var(--text-1);border-color:rgba(33,199,255,.5);background:var(--glass-bg-strong);transform:translateY(-1px)}
.nav-row{gap:26px;padding:6px 0 8px;overflow-x:auto;scrollbar-width:none}
.nav-row::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;font-size:14px;color:var(--text-2);padding:6px 0 10px;
  white-space:nowrap;transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{transform:scaleX(1)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),#0FA8E6);
  color:#04121C;box-shadow:var(--glow);
}
.btn-primary:hover{color:#04121C;transform:translateY(-1px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);background:var(--brand-deep);color:#EAF2FF;box-shadow:none}
.btn-ghost{
  background:transparent;border:1px solid var(--glass-border);color:var(--brand);
}
.btn-ghost:hover{background:rgba(33,199,255,.09);border-color:rgba(33,199,255,.5);color:#7FDCFF}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{color:var(--brand);padding:0;height:auto;font-weight:600}
.btn-link:hover{gap:12px;color:#7FDCFF}

/* ---------- 阅读进度 ---------- */
#progressBar{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:200;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(33,199,255,.7);
  transition:width .1s linear;
}

/* ---------- 面包屑与标题区 ---------- */
.article-hero{
  position:relative;
  border-bottom:1px solid var(--glass-border);
  background-image:linear-gradient(180deg,rgba(7,10,18,.82),rgba(7,10,18,.96)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:38px 0 44px;
}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.55}
.article-title{
  font-size:clamp(24px,3.3vw,38px);line-height:1.36;letter-spacing:-.015em;
  max-width:900px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;margin-top:20px;font-size:13px;color:var(--text-3)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-2);
}
.badge-accent{color:#CFC4FF;border-color:rgba(124,92,255,.42);background:rgba(124,92,255,.13)}
.badge-live{color:#FFD5DE;border-color:rgba(255,77,109,.45);background:rgba(255,77,109,.14)}
.badge-warn{color:#FFE2B4;border-color:rgba(255,176,32,.42);background:rgba(255,176,32,.13)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--live);box-shadow:0 0 0 0 rgba(255,77,109,.6);animation:pulse 1.6s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,77,109,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,77,109,0)}
  100%{box-shadow:0 0 0 0 rgba(255,77,109,0)}
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-list .badge:hover{border-color:rgba(33,199,255,.5);color:var(--text-1)}

/* ---------- 文章主体 ---------- */
.article-shell{
  display:grid;grid-template-columns:minmax(0,1fr) 306px;gap:40px;
  align-items:start;padding-top:44px;padding-bottom:24px;
}
.article-card{
  background:linear-gradient(180deg,var(--glass-bg-strong),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);
  border-radius:var(--r-lg);
  padding:38px 40px 44px;
  box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.article-body{max-width:800px;font-size:16px;line-height:1.9;color:var(--text-2)}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:22px;line-height:1.5;margin:40px 0 20px;padding-left:14px;position:relative;color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:1.05em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.article-body h3{font-size:18px;margin:26px 0 12px;color:var(--text-1)}
.article-body h4{font-size:16px;margin:22px 0 10px;color:var(--text-1)}
.article-body p{margin:0 0 18px}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(33,199,255,.4);padding-bottom:1px}
.article-body a:hover{color:#7FDCFF;border-color:#7FDCFF}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.82em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(124,92,255,.8);
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:.24em;width:18px;height:18px;border-radius:6px;
  display:grid;place-items:center;font-size:11px;font-weight:700;
  color:#D8CEFF;background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.4);
}
.article-body blockquote{
  margin:0 0 22px;padding:18px 22px;
  background:var(--glass-bg);border-left:3px solid var(--brand);
  border-radius:14px;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--glass-border)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12.5px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body hr{border:0;border-top:1px solid var(--glass-border);margin:34px 0}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 22px;font-size:14.5px;
  background:var(--bg-panel);border:1px solid var(--glass-border);border-radius:14px;overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--glass-border);text-align:left}
.article-body th{color:var(--text-1);background:rgba(255,255,255,.05);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;background:var(--bg-panel);border:1px solid var(--glass-border);
  padding:2px 6px;border-radius:6px;color:#9FE7FF;
}
.article-body pre{
  background:var(--bg-panel);border:1px solid var(--glass-border);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:0 0 22px;
}
.article-body pre code{background:none;border:0;padding:0}

.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--r-card);
  background:var(--glass-bg);border:1px dashed var(--glass-border);
}
.empty-state h2{font-size:20px;margin-bottom:10px;padding:0}
.empty-state h2::before{display:none}
.empty-state p{color:var(--text-3);margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.glass-card{
  background:linear-gradient(180deg,var(--glass-bg-strong),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-card);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.side-title{font-size:14.5px;color:var(--text-1);font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--accent))}
.live-item{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;
  border-bottom:1px dashed rgba(140,190,255,.14);
}
.live-item:last-child{border-bottom:0;padding-bottom:0}
.live-time{
  flex:none;font-size:12.5px;color:var(--warn);font-variant-numeric:tabular-nums;
  background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.3);
  border-radius:8px;padding:3px 8px;line-height:1.5;
}
.live-item h4{font-size:14px;line-height:1.6;margin:0 0 4px;color:var(--text-1)}
.live-item p{margin:0;font-size:12.5px;color:var(--text-3);line-height:1.6}
.hot-list li{counter-increment:hot;position:relative;padding:9px 0 9px 30px;font-size:13.5px;line-height:1.65;border-bottom:1px dashed rgba(140,190,255,.14)}
.hot-list li:last-child{border-bottom:0}
.hot-list li::before{
  content:counter(hot);counter-reset:none;position:absolute;left:0;top:12px;
  width:19px;height:19px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:700;color:#D8CEFF;background:rgba(124,92,255,.16);
  border:1px solid rgba(124,92,255,.36);
}
.hot-list a{color:var(--text-2)}
.hot-list a:hover{color:var(--brand)}
.hot-list li:hover{transform:translateX(2px);transition:transform .2s ease}
.side-form{height:38px;border-radius:var(--r-pill);padding:0 14px;margin-bottom:10px}
.tip{font-size:11.5px;color:var(--text-3);line-height:1.7;margin:10px 0 0}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-head{margin-bottom:28px}
.section-head h2,.section-title{font-size:clamp(20px,2.4vw,27px);line-height:1.45}
.section-head p{color:var(--text-3);font-size:14px;margin:10px 0 0;max-width:720px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(180deg,var(--glass-bg-strong),rgba(255,255,255,.03));
  border:1px solid var(--glass-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(33,199,255,.4)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-panel)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.05) 40%,rgba(7,10,18,.78));
}
.card-media .badge{position:absolute;left:12px;top:12px;z-index:2;background:rgba(7,10,18,.62)}
.card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:16.5px;line-height:1.6;margin-bottom:10px}
.card-body h3 a{color:var(--text-1)}
.card:hover .card-body h3 a{color:var(--brand)}
.card-body p{font-size:13.5px;color:var(--text-3);margin-bottom:14px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--glass-border);
  background-image:linear-gradient(120deg,rgba(7,10,18,.9),rgba(14,20,33,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:38px 40px;
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:8px}
.cta-band p{color:var(--text-2);margin:0;max-width:620px;font-size:14.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--glass-border);border-radius:var(--r-lg);background:var(--glass-bg);overflow:hidden}
.faq-item{border-bottom:1px solid var(--glass-border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;justify-content:space-between;
  padding:18px 22px;font-size:15px;font-weight:600;color:var(--text-1);text-align:left;
  transition:background .2s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04)}
.faq-q .sign{
  flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  border:1px solid var(--glass-border);color:var(--brand);font-size:15px;line-height:1;
  transition:transform .26s ease,background .26s ease;
}
.faq-item.open .faq-q{box-shadow:inset 2px 0 0 var(--brand)}
.faq-item.open .sign{transform:rotate(45deg);background:rgba(33,199,255,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 22px 18px;margin:0;font-size:14px;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--glass-border);margin-top:24px;background:rgba(9,13,22,.6)}
.footer-link{display:block;font-size:13.5px;color:var(--text-3);padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:82%;max-width:340px;z-index:120;
  background:rgba(11,16,26,.96);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border-left:1px solid var(--glass-border);
  transform:translateX(102%);transition:transform .3s ease;
  padding:26px 22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer a.drawer-link{display:block;padding:14px 4px;font-size:16px;color:var(--text-1);border-bottom:1px solid rgba(140,190,255,.12)}
.drawer a.drawer-link.active{color:var(--brand)}
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,12,.66);z-index:110;opacity:0;visibility:hidden;transition:.3s ease}
.drawer-mask.open{opacity:1;visibility:visible}

@media (max-width:1024px){
  .article-shell{grid-template-columns:minmax(0,1fr);gap:26px;padding-top:32px}
  .side-col{position:static;order:2}
  .article-card{padding:28px 24px 32px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.85}
  .article-hero{padding:26px 0 32px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:19.5px;margin:32px 0 16px}
  .cta-band{padding:26px 22px}
  .section{padding:48px 0}
}
@media (max-width:520px){
  .container{padding-left:16px!important;padding-right:16px!important}
  .grid-3{grid-template-columns:minmax(0,1fr);gap:16px}
  .article-card{padding:22px 18px 28px;border-radius:var(--r-card)}
  .article-title{font-size:22px}
  .cta-actions .btn{flex:1}
}

/* roulang page: category2 */
:root{
  --bg-base:#070A12;
  --bg-elev:#0E1421;
  --bg-panel:#131A28;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bg-strong:rgba(255,255,255,.09);
  --glass-border:rgba(140,190,255,.16);
  --glass-blur:blur(14px);
  --brand:#21C7FF;
  --brand-deep:#0E63C8;
  --accent:#7C5CFF;
  --warn:#FFB020;
  --live:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6F7C93;
  --glow:0 0 0 1px rgba(33,199,255,.35), 0 10px 30px -10px rgba(33,199,255,.55);
  --glow-accent:0 0 0 1px rgba(124,92,255,.35), 0 10px 30px -10px rgba(124,92,255,.55);
  --radius-card:18px;
  --radius-lg:24px;
  --radius-btn:12px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
  --shadow-card-hover:0 18px 40px -16px rgba(0,0,0,.85);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--bg-base);
  background-image:
    radial-gradient(1100px 560px at 82% -12%, rgba(33,199,255,.13), transparent 62%),
    radial-gradient(880px 520px at 6% 6%, rgba(124,92,255,.12), transparent 66%);
  background-attachment:fixed;
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .25s ease}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
::selection{background:rgba(33,199,255,.35);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.4)}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
header .container,main .container,footer .container{max-width:1240px}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-head.is-stuck{background:rgba(7,10,18,.92);box-shadow:0 12px 30px -20px rgba(0,0,0,.95)}
.head-inner{padding:16px 0 6px;transition:padding .3s ease}
.site-head.is-stuck .head-inner{padding:8px 0 4px}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;
  font-size:14px;font-weight:800;letter-spacing:.02em;color:#04121e;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  box-shadow:0 10px 22px -12px rgba(33,199,255,.9);
}
.brand-name{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:-.01em;line-height:1.25}
.brand-sub{font-size:10.5px;letter-spacing:.24em;color:var(--text-3);line-height:1.4}
.search-wrap{position:relative;min-width:236px}
.search-wrap .field{padding-right:38px}
.search-wrap svg{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}
.field{
  width:100%;
  background:rgba(255,255,255,.045);
  border:1px solid var(--glass-border);
  border-radius:999px;
  padding:9px 16px;
  color:var(--text-1);
  font-size:14px;
  outline:none;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field::placeholder{color:var(--text-3)}
.field:hover{border-color:rgba(140,190,255,.3)}
.field:focus{border-color:var(--brand);background:rgba(33,199,255,.06);box-shadow:0 0 0 4px rgba(33,199,255,.12)}
.trend-row{display:flex;gap:8px;align-items:center}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  font-size:12.5px;padding:6px 12px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-2);
  transition:color .25s,border-color .25s,background .25s,transform .25s;
}
.chip:hover{color:var(--text-1);border-color:rgba(33,199,255,.45);background:rgba(33,199,255,.08);transform:translateY(-1px)}
.nav-row{display:flex;gap:22px;align-items:center;overflow-x:auto;scrollbar-width:none;padding-bottom:6px}
.nav-row::-webkit-scrollbar{display:none}
.nav-link{position:relative;font-size:14px;color:var(--text-2);padding:8px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--text-1);font-weight:600}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  padding:10px 18px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .28s ease,background .28s ease,color .28s ease,border-color .28s ease,filter .28s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#49e3ff 100%);color:#04121e;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);background:var(--brand-deep);color:#fff}
.btn-ghost{background:var(--glass-bg);border-color:var(--glass-border);color:var(--brand)}
.btn-ghost:hover{background:rgba(33,199,255,.1);border-color:rgba(33,199,255,.45);transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--text-2);padding:10px 2px}
.btn-line:hover{color:var(--brand);transform:translateX(2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.62);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:80;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82%;max-width:360px;z-index:90;
  background:rgba(14,20,33,.94);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  border-left:1px solid var(--glass-border);
  transform:translateX(102%);transition:transform .34s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--glass-border)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding-top:16px;flex:1}
.drawer-link{
  display:block;padding:14px 14px;border-radius:14px;font-size:17px;color:var(--text-2);
  border:1px solid transparent;transition:background .25s,color .25s,border-color .25s,padding-left .25s;
}
.drawer-link:hover{background:rgba(33,199,255,.08);color:var(--text-1);padding-left:20px}
.drawer-link.active{background:var(--glass-bg-strong);border-color:var(--glass-border);color:var(--text-1);font-weight:600}
.drawer-cta{width:100%;margin-top:16px}
.close-x{width:36px;height:36px;display:grid;place-items:center;border-radius:12px;background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-1);cursor:pointer;font-size:18px;line-height:1}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--glass-border)}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,10,18,.96) 0%,rgba(7,10,18,.84) 46%,rgba(7,10,18,.6) 100%),
             linear-gradient(180deg,rgba(7,10,18,.45) 0%,rgba(7,10,18,.92) 100%);
}
.hero-inner{position:relative;padding:34px 0 38px;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.crumb{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:rgba(111,124,147,.7)}
.page-hero h1{
  font-size:clamp(24px,3.2vw,38px);line-height:1.3;margin:14px 0 12px;max-width:900px;
}
.hero-sub{font-size:15.5px;color:var(--text-2);max-width:720px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{
  font-size:12px;letter-spacing:.02em;padding:6px 13px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-2);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.tag.is-accent{border-color:rgba(124,92,255,.42);color:#c6bcff;background:rgba(124,92,255,.12)}
.tag.is-warn{border-color:rgba(255,176,32,.42);color:#ffd58a;background:rgba(255,176,32,.1)}
.tag.is-brand{border-color:rgba(33,199,255,.42);color:#9fe7ff;background:rgba(33,199,255,.1)}

/* ---------- generic blocks ---------- */
.section{padding:64px 0}
.section-sm{padding:48px 0}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(20px,2.2vw,26px)}
.section-head p{margin-top:8px;color:var(--text-3);font-size:14.5px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.glass{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  -webkit-backdrop-filter:var(--glass-blur);
  backdrop-filter:var(--glass-blur);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.02em;padding:4px 11px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--text-2);
}
.badge-accent{color:#c6bcff;border-color:rgba(124,92,255,.42);background:rgba(124,92,255,.12)}
.badge-brand{color:#9fe7ff;border-color:rgba(33,199,255,.42);background:rgba(33,199,255,.1)}
.badge-warn{color:#ffd58a;border-color:rgba(255,176,32,.42);background:rgba(255,176,32,.1)}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- two column layout ---------- */
.col-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;align-items:start}
.long-stack{display:flex;flex-direction:column;gap:20px}
.long-card{
  display:grid;grid-template-columns:minmax(0,286px) minmax(0,1fr);
  overflow:hidden;border-radius:var(--radius-lg);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,border-color .3s ease,box-shadow .35s ease;
}
.long-card:hover{transform:translateY(-3px);border-color:rgba(33,199,255,.4);box-shadow:var(--shadow-card-hover)}
.long-card .thumb{position:relative;overflow:hidden;height:100%;min-height:190px}
.long-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.long-card:hover .thumb img{transform:scale(1.04)}
.long-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.05) 40%,rgba(7,10,18,.72) 100%)}
.long-card .thumb .badge{position:absolute;left:14px;top:14px;z-index:2}
.long-body{padding:22px 24px 22px 22px;display:flex;flex-direction:column;gap:12px}
.long-body .meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.long-body h3{font-size:19px;line-height:1.45}
.long-body h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.long-body .desc{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.long-body .foot{margin-top:auto}

/* sidebar */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px}
.side-card{padding:22px 20px}
.side-card h3{font-size:16px;margin-bottom:4px}
.side-card .side-note{font-size:12.5px;color:var(--text-3);margin-bottom:14px}
.rank-list{display:flex;flex-direction:column;gap:2px}
.rank-item{display:flex;gap:12px;align-items:flex-start;padding:11px 10px;border-radius:14px;transition:transform .25s ease,background .25s ease}
.rank-item:hover{transform:translateX(2px);background:rgba(33,199,255,.07)}
.rank-no{font-size:15px;font-weight:800;color:var(--accent);min-width:26px;line-height:1.6}
.rank-title{font-size:14.5px;color:var(--text-1);font-weight:600;line-height:1.5}
.rank-item:hover .rank-title{color:var(--brand)}
.rank-note{font-size:12px;color:var(--text-3);margin-top:3px;line-height:1.6}
.side-divider{height:1px;background:var(--glass-border);margin:14px 0}
.side-list li{font-size:13.5px;color:var(--text-2);display:flex;gap:10px;padding:7px 0}
.side-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:10px;flex:0 0 auto;box-shadow:0 0 0 3px rgba(33,199,255,.14)}

/* ---------- channel list ---------- */
.channel-row{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-card);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:border-color .3s ease,background .3s ease,transform .3s ease;
}
.channel-row:hover{border-color:rgba(33,199,255,.42);background:var(--glass-bg-strong);transform:translateY(-2px)}
.channel-icon{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(33,199,255,.12);border:1px solid rgba(33,199,255,.3);color:var(--brand);
}
.channel-icon.is-accent{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.34);color:#b8a9ff}
.channel-icon.is-warn{background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.34);color:var(--warn)}
.channel-row h3{font-size:16px;margin-bottom:4px}
.channel-row p{font-size:14px;color:var(--text-2)}

/* ---------- steps ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step-card{position:relative;padding:24px 20px 22px;border-radius:var(--radius-card);background:var(--glass-bg);border:1px solid var(--glass-border);transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease}
.step-card:hover{border-color:rgba(124,92,255,.42);transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}
.step-num{font-size:26px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(33,199,255,.7);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.step-card h3{font-size:16px;margin:10px 0 6px}
.step-card p{font-size:13.8px;color:var(--text-2)}
.step-card::after{content:"";position:absolute;right:-12px;top:50%;width:24px;height:1px;background:linear-gradient(90deg,rgba(140,190,255,.4),transparent)}
.step-card:last-child::after{display:none}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.scene-card{padding:22px 22px;border-radius:var(--radius-card);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.03));border:1px solid var(--glass-border);transition:border-color .3s ease,transform .3s ease}
.scene-card:hover{border-color:rgba(33,199,255,.4);transform:translateY(-3px)}
.scene-card h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.scene-card h3 span.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(124,92,255,.18)}
.scene-card p{font-size:14px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq-wrap{padding:8px 26px 8px 34px}
.faq-item{position:relative;border-bottom:1px solid var(--glass-border)}
.faq-item:last-child{border-bottom:0}
.faq-item::before{
  content:"";position:absolute;left:-18px;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
  transform:scaleY(0);transform-origin:top;transition:transform .3s ease;
}
.faq-item.open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 4px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--text-1);font-size:15.5px;font-weight:600;line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--brand);
  font-size:15px;line-height:1;transition:transform .3s ease,background .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(33,199,255,.16)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .28s ease,opacity .28s ease}
.faq-item.open .faq-a{opacity:1}
.faq-a p{padding:0 44px 20px 0;font-size:14.5px;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;padding:38px 34px;border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(33,199,255,.14),rgba(124,92,255,.12) 55%,rgba(255,255,255,.04));
  border:1px solid var(--glass-border);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:30px;align-items:center;position:relative;z-index:2}
.cta-grid h2{font-size:clamp(20px,2.4vw,27px);margin:14px 0 10px}
.cta-grid p{font-size:14.6px;color:var(--text-2);max-width:540px}
.sub-form{display:flex;flex-wrap:wrap;gap:10px}
.sub-form .field{flex:1 1 200px;min-width:0}
.form-note{width:100%;font-size:12px;color:var(--text-3);margin-top:4px}
.form-msg{width:100%;font-size:12.5px;color:var(--brand);display:none;margin-top:2px}
.form-msg.show{display:block}

/* ---------- footer ---------- */
.footer-link{display:block;font-size:13.5px;color:var(--text-3);padding:5px 0;transition:color .25s ease,transform .25s ease}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .col-grid{grid-template-columns:1fr}
  .side-stack{position:static}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-card::after{display:none}
}
@media (max-width:860px){
  .long-card{grid-template-columns:1fr}
  .long-card .thumb{min-height:0;aspect-ratio:16/9}
  .cta-grid{grid-template-columns:1fr;gap:22px}
  .scene-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container{padding-left:18px;padding-right:18px}
  .section{padding:48px 0}
  .section-sm{padding:38px 0}
  .hero-inner{padding:26px 0 30px;min-height:0}
  .cta-band{padding:26px 20px}
  .faq-wrap{padding:6px 16px 6px 22px}
  .faq-item::before{left:-12px}
  .faq-a p{padding-right:20px}
}
@media (max-width:560px){
  body{font-size:15.5px}
  .step-grid{grid-template-columns:1fr}
  .long-body{padding:18px}
  .long-body h3{font-size:17px}
  .search-wrap{min-width:0}
}

/* roulang page: category3 */
:root{
    --bg-base:#070A12;
    --bg-elev:#0E1421;
    --bg-panel:#131A28;
    --glass-bg:rgba(255,255,255,.055);
    --glass-bg-strong:rgba(255,255,255,.09);
    --glass-border:rgba(140,190,255,.16);
    --glass-blur:blur(14px);
    --brand:#21C7FF;
    --brand-deep:#0E63C8;
    --accent:#7C5CFF;
    --warn:#FFB020;
    --live:#FF4D6D;
    --text-1:#EAF2FF;
    --text-2:#A9B6CC;
    --text-3:#6F7C93;
    --glow:0 0 0 1px rgba(33,199,255,.35), 0 10px 30px -10px rgba(33,199,255,.55);
    --radius-card:18px;
    --radius-lg:24px;
    --radius-btn:12px;
    --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
    --shadow-card-hover:0 18px 40px -16px rgba(0,0,0,.85);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:
      radial-gradient(1200px 620px at 82% -8%, rgba(33,199,255,.10), transparent 62%),
      radial-gradient(900px 520px at 6% 6%, rgba(124,92,255,.10), transparent 60%),
      var(--bg-base);
    color:var(--text-2);
    font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none;transition:color .22s ease}
  h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em;line-height:1.35}
  p{margin:0}
  button,input{font:inherit;color:inherit}
  button{border:0;background:none;cursor:pointer}
  ::selection{background:rgba(33,199,255,.32);color:#fff}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
  .section{padding:76px 0}
  .section-tight{padding:52px 0}
  .divider{height:1px;background:linear-gradient(90deg,transparent,rgba(140,190,255,.22),transparent)}

  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand);
    outline-offset:2px;
    border-radius:8px;
  }

  /* ---------- header ---------- */
  .site-head{
    position:sticky;top:0;z-index:60;
    background:rgba(7,10,18,.78);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-bottom:1px solid var(--glass-border);
    transition:background .3s ease,box-shadow .3s ease;
  }
  .site-head.is-stuck{background:rgba(7,10,18,.94);box-shadow:0 14px 34px -24px rgba(0,0,0,.95)}
  .head-inner{height:78px;transition:height .28s ease}
  .site-head.is-stuck .head-inner{height:64px}
  .brand-mark{
    width:38px;height:38px;flex:none;display:grid;place-items:center;
    border-radius:12px;
    background:linear-gradient(140deg,var(--brand),var(--accent));
    color:#04121F;font-weight:800;font-size:14px;letter-spacing:.06em;
    box-shadow:var(--glow);
  }
  .brand-name{color:var(--text-1);font-weight:700;font-size:17px;letter-spacing:-.01em}
  .brand-sub{font-size:10px;letter-spacing:.26em;color:var(--text-3)}
  .search-wrap{position:relative;width:266px;flex:none}
  .search-wrap .field{
    width:100%;height:40px;padding:0 40px 0 16px;border-radius:999px;
    background:var(--glass-bg);border:1px solid var(--glass-border);
    color:var(--text-1);font-size:14px;outline:none;
    transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
  }
  .search-wrap .field::placeholder{color:var(--text-3)}
  .search-wrap .field:focus{border-color:var(--brand);background:var(--glass-bg-strong);box-shadow:0 0 0 3px rgba(33,199,255,.14)}
  .search-wrap svg{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}
  .trend-row{gap:8px;overflow-x:auto;scrollbar-width:none}
  .trend-row::-webkit-scrollbar{display:none}
  .chip{
    display:inline-flex;align-items:center;height:30px;padding:0 13px;border-radius:999px;
    background:var(--glass-bg);border:1px solid var(--glass-border);
    font-size:12.5px;letter-spacing:.02em;color:var(--text-2);white-space:nowrap;
    transition:color .22s ease,border-color .22s ease,background .22s ease,transform .22s ease;
  }
  .chip:hover{color:var(--brand);border-color:rgba(33,199,255,.42);background:rgba(33,199,255,.10);transform:translateY(-1px)}
  .nav-row{gap:28px;align-items:center;height:46px;overflow-x:auto;scrollbar-width:none;border-top:1px solid rgba(140,190,255,.08)}
  .nav-row::-webkit-scrollbar{display:none}
  .nav-link{position:relative;padding:13px 0;font-size:14.5px;color:var(--text-2);white-space:nowrap;transition:color .22s ease}
  .nav-link:hover{color:var(--text-1)}
  .nav-link.active{color:var(--text-1);font-weight:600}
  .nav-link.active::after{
    content:'';position:absolute;left:0;right:0;bottom:7px;height:2px;border-radius:2px;
    background:var(--brand);box-shadow:0 0 12px rgba(33,199,255,.85);
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:42px;padding:0 20px;border-radius:var(--radius-btn);
    border:1px solid transparent;font-size:14.5px;font-weight:600;
    white-space:nowrap;cursor:pointer;
    transition:transform .2s ease,box-shadow .26s ease,background .26s ease,color .22s ease,border-color .22s ease;
  }
  .btn-primary{background:linear-gradient(140deg,var(--brand),#0FA8E0);color:#04121F;box-shadow:var(--glow)}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(33,199,255,.5),0 16px 34px -12px rgba(33,199,255,.7)}
  .btn-primary:active{transform:translateY(1px);background:var(--brand-deep);color:#EAF2FF;box-shadow:none}
  .btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--brand)}
  .btn-ghost:hover{background:rgba(33,199,255,.08);border-color:rgba(33,199,255,.42)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-line{background:transparent;padding:0;height:auto;color:var(--brand);font-weight:600}
  .btn-line:hover{color:#7FE0FF;transform:translateX(2px)}
  .btn-lg{height:48px;padding:0 26px;font-size:15px}

  /* ---------- badges ---------- */
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;
    border-radius:999px;background:var(--glass-bg);border:1px solid var(--glass-border);
    font-size:12px;letter-spacing:.02em;color:var(--text-2);white-space:nowrap;
  }
  .badge-brand{color:var(--brand);border-color:rgba(33,199,255,.36);background:rgba(33,199,255,.10)}
  .badge-accent{color:#C7B8FF;border-color:rgba(124,92,255,.38);background:rgba(124,92,255,.14)}
  .badge-muted{color:var(--text-3)}
  .dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 0 3px rgba(33,199,255,.14)}
  .dot-live{background:var(--live);box-shadow:0 0 0 3px rgba(255,77,109,.16);animation:pulse 1.6s infinite}
  .dot-warn{background:var(--warn);box-shadow:0 0 0 3px rgba(255,176,32,.16)}
  .dot-ok{background:#37E0A5;box-shadow:0 0 0 3px rgba(55,224,165,.16)}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

  /* ---------- cards ---------- */
  .glass-card{
    position:relative;border-radius:var(--radius-card);
    background:var(--glass-bg);border:1px solid var(--glass-border);
    backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
    box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.05);
    transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .glass-card:hover{transform:translateY(-3px);border-color:rgba(140,190,255,.34);box-shadow:var(--shadow-card-hover),inset 0 1px 0 rgba(255,255,255,.08)}
  .panel{
    border-radius:var(--radius-lg);
    background:linear-gradient(150deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
    border:1px solid var(--glass-border);
    backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
    box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.06);
  }

  /* ---------- section headings ---------- */
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:30px}
  .sec-title{position:relative;padding-left:15px;font-size:clamp(21px,2.3vw,29px)}
  .sec-title::before{
    content:'';position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;
    background:linear-gradient(180deg,var(--brand),var(--accent));
  }
  .sec-desc{margin-top:10px;font-size:14.5px;color:var(--text-3);max-width:620px}

  /* ---------- banner ---------- */
  .page-banner{position:relative;overflow:hidden;padding:66px 0 58px;border-bottom:1px solid var(--glass-border)}
  .page-banner::before{
    content:'';position:absolute;inset:0;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity:.36;
  }
  .page-banner::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,10,18,.70),rgba(7,10,18,.95));
  }
  .page-banner .container{position:relative;z-index:2}
  .crumb{font-size:12.5px;letter-spacing:.04em;color:var(--text-3);margin-bottom:16px}
  .crumb a:hover{color:var(--brand)}
  .page-banner h1{font-size:clamp(26px,3.6vw,42px);line-height:1.24}
  .page-banner .lead{margin-top:16px;max-width:780px;font-size:15.5px;color:var(--text-2)}
  .banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}

  /* ---------- stats ---------- */
  .stat-bar{
    display:grid;grid-template-columns:repeat(4,1fr);gap:0;
    border-radius:var(--radius-lg);overflow:hidden;
    background:var(--glass-bg);border:1px solid var(--glass-border);
    backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
    box-shadow:var(--shadow-card);
  }
  .stat-cell{padding:24px 22px;border-right:1px solid var(--glass-border)}
  .stat-cell:last-child{border-right:0}
  .stat-label{font-size:12.5px;letter-spacing:.06em;color:var(--text-3)}
  .stat-value{margin-top:6px;font-size:26px;font-weight:700;color:var(--text-1);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
  .stat-value small{font-size:13px;font-weight:600;color:var(--text-3);margin-left:4px}
  .stat-note{margin-top:6px;font-size:12.5px;color:var(--text-3)}

  /* ---------- intro split ---------- */
  .split{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
  .figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-border);box-shadow:var(--shadow-card);position:relative}
  .figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease}
  .figure:hover img{transform:scale(1.04)}
  .figure::after{content:'';position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(180deg,transparent,rgba(7,10,18,.72))}
  .figure-cap{position:absolute;left:18px;bottom:16px;z-index:2;font-size:13px;color:var(--text-2)}
  .advice-list{display:grid;gap:12px;margin-top:22px}
  .advice{
    display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:14px;
    background:var(--glass-bg);border:1px solid var(--glass-border);
    transition:border-color .25s ease,transform .25s ease,background .25s ease;
  }
  .advice:hover{border-color:rgba(33,199,255,.36);background:rgba(33,199,255,.05);transform:translateX(3px)}
  .advice-idx{
    flex:none;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
    background:rgba(124,92,255,.18);border:1px solid rgba(124,92,255,.36);
    color:#C7B8FF;font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .advice b{display:block;color:var(--text-1);font-size:15px;font-weight:600;margin-bottom:4px}
  .advice span{font-size:14px;color:var(--text-2)}

  /* ---------- timeline ---------- */
  .timeline{position:relative;margin-top:36px}
  .timeline::before{
    content:'';position:absolute;left:9px;top:10px;bottom:10px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(33,199,255,.55),rgba(124,92,255,.38),rgba(140,190,255,.05));
  }
  .tl-item{position:relative;padding-left:48px;padding-bottom:26px}
  .tl-item:last-child{padding-bottom:0}
  .tl-dot{
    position:absolute;left:2px;top:12px;width:16px;height:16px;border-radius:50%;
    background:var(--bg-base);border:2px solid var(--brand);
    box-shadow:0 0 0 4px rgba(33,199,255,.12),0 0 14px rgba(33,199,255,.6);
  }
  .tl-time{font-size:13px;letter-spacing:.04em;color:var(--text-3);font-variant-numeric:tabular-nums;margin-bottom:10px}
  .tl-card{padding:20px 22px}
  .tl-card h3{font-size:17px;margin-bottom:8px}
  .tl-card p{font-size:14.5px;color:var(--text-2)}
  .tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}

  /* ---------- faq ---------- */
  .faq-wrap{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-border);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-card)}
  .faq-item{border-bottom:1px solid var(--glass-border);position:relative}
  .faq-item:last-child{border-bottom:0}
  .faq-item::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand);opacity:0;transition:opacity .26s ease}
  .faq-item.open::before{opacity:1}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);
    transition:color .22s ease,background .22s ease;
  }
  .faq-q:hover{color:var(--brand);background:rgba(33,199,255,.04)}
  .faq-icon{
    flex:none;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
    background:var(--glass-bg);border:1px solid var(--glass-border);color:var(--brand);
    transition:transform .26s ease,border-color .26s ease,background .26s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(33,199,255,.12);border-color:rgba(33,199,255,.42)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
  .faq-a-inner{padding:0 24px 24px;font-size:14.5px;color:var(--text-2)}

  /* ---------- cta ---------- */
  .cta-bar{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    padding:38px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
    background:linear-gradient(130deg,rgba(33,199,255,.16),rgba(124,92,255,.14) 58%,rgba(255,255,255,.03));
    border:1px solid rgba(140,190,255,.24);
    backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
    box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.07);
  }
  .cta-bar h2{font-size:clamp(20px,2.2vw,26px)}
  .cta-bar p{margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:600px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

  /* ---------- footer ---------- */
  .footer-link{display:block;font-size:14px;color:var(--text-3);padding:5px 0;transition:color .22s ease,transform .22s ease}
  .footer-link:hover{color:var(--brand);transform:translateX(2px)}

  /* ---------- drawer ---------- */
  .drawer-mask{position:fixed;inset:0;background:rgba(4,7,14,.66);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:80}
  .drawer-mask.show{opacity:1;pointer-events:auto}
  .drawer{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;z-index:90;
    background:rgba(14,20,33,.96);backdrop-filter:var(--glass-blur);
    border-left:1px solid var(--glass-border);
    transform:translateX(102%);transition:transform .3s ease;
    padding:24px 22px;overflow-y:auto;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-link{display:block;padding:15px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid rgba(140,190,255,.10)}
  .drawer-link:hover,.drawer-link.active{color:var(--brand)}

  /* ---------- scrollbar ---------- */
  ::-webkit-scrollbar{width:8px;height:8px}
  ::-webkit-scrollbar-track{background:transparent}
  ::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px}
  ::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.36)}

  @media (max-width:1024px){
    .section{padding:62px 0}
    .split{grid-template-columns:1fr;gap:28px}
    .stat-bar{grid-template-columns:repeat(2,1fr)}
    .stat-cell:nth-child(2){border-right:0}
    .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--glass-border)}
  }
  @media (min-width:768px){
    .tl-item:nth-child(even){padding-left:84px}
    .tl-item:nth-child(even) .tl-dot{border-color:var(--accent);box-shadow:0 0 0 4px rgba(124,92,255,.14),0 0 14px rgba(124,92,255,.6)}
  }
  @media (max-width:768px){
    .container{padding:0 18px}
    .head-inner{height:66px}
    .page-banner{padding:46px 0 40px}
    .cta-bar{padding:28px 22px}
    .faq-q{padding:18px 18px;font-size:15px}
    .faq-a-inner{padding:0 18px 20px}
  }
  @media (max-width:520px){
    body{font-size:15px}
    .container{padding:0 16px}
    .section{padding:48px 0}
    .stat-cell{padding:18px 16px}
    .stat-value{font-size:22px}
    .tl-item{padding-left:40px}
    .tl-card{padding:16px 16px}
    .btn{height:40px;padding:0 16px;font-size:14px}
  }

/* roulang page: category4 */
:root{
  --bg-base:#070A12;
  --bg-elev:#0E1421;
  --bg-panel:#131A28;
  --glass-bg:rgba(255,255,255,.055);
  --glass-bg-strong:rgba(255,255,255,.09);
  --glass-border:rgba(140,190,255,.16);
  --glass-blur:blur(14px);
  --brand:#21C7FF;
  --brand-deep:#0E63C8;
  --accent:#7C5CFF;
  --warn:#FFB020;
  --live:#FF4D6D;
  --text-1:#EAF2FF;
  --text-2:#A9B6CC;
  --text-3:#6F7C93;
  --glow:0 0 0 1px rgba(33,199,255,.35),0 10px 30px -10px rgba(33,199,255,.55);
  --glow-accent:0 0 0 1px rgba(124,92,255,.35),0 10px 30px -10px rgba(124,92,255,.55);
  --r-card:18px;
  --r-lg:24px;
  --r-btn:12px;
  --shadow-card:0 8px 24px -12px rgba(0,0,0,.75);
  --shadow-hover:0 18px 40px -16px rgba(0,0,0,.85);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(33,199,255,.10),transparent 62%),
    radial-gradient(900px 560px at 96% 4%,rgba(124,92,255,.10),transparent 60%),
    var(--bg-base);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;letter-spacing:-.01em;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(33,199,255,.3);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(140,190,255,.22);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:rgba(140,190,255,.42)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:64px 0}
.section-tight{padding:40px 0}

/* ---------- header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,18,.72);
  backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);
  border-bottom:1px solid var(--glass-border);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-head.scrolled{background:rgba(7,10,18,.9);box-shadow:0 12px 30px -18px rgba(0,0,0,.9)}
.head-inner{padding:16px 0;transition:padding .3s ease}
.site-head.scrolled .head-inner{padding:9px 0}
.brand-mark{
  display:grid;place-items:center;width:42px;height:42px;flex:0 0 auto;
  border-radius:13px;font-size:15px;font-weight:800;letter-spacing:.02em;
  color:#04121c;background:linear-gradient(140deg,var(--brand),var(--accent));
  box-shadow:var(--glow);
}
.brand-name{font-size:16px;font-weight:700;color:var(--text-1);letter-spacing:.01em}
.brand-sub{font-size:10px;letter-spacing:.24em;color:var(--text-3)}
.search-wrap{position:relative;display:flex;align-items:center}
.search-wrap .field{
  width:238px;padding:9px 38px 9px 15px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  color:var(--text-1);font-size:14px;outline:none;transition:border-color .25s,box-shadow .25s,background .25s;
}
.search-wrap .field::placeholder{color:var(--text-3)}
.search-wrap .field:focus{border-color:var(--brand);box-shadow:var(--glow);background:var(--glass-bg-strong)}
.search-wrap svg{position:absolute;right:14px;color:var(--text-3);pointer-events:none}
.trend-row{align-items:center;gap:8px}
.chip{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
  font-size:12.5px;color:var(--text-2);white-space:nowrap;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:color .25s,border-color .25s,background .25s,transform .2s;
}
.chip:hover{color:var(--text-1);border-color:rgba(33,199,255,.5);background:rgba(33,199,255,.1);transform:translateY(-1px)}
.nav-row{align-items:center;gap:26px}
.nav-link{position:relative;padding:10px 0 13px;font-size:14.5px;color:var(--text-2);transition:color .25s;white-space:nowrap}
.nav-link:hover{color:var(--text-1)}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;border-radius:2px;background:var(--brand);transition:right .3s ease}
.nav-link:hover::after{right:0}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{right:0;box-shadow:0 0 12px rgba(33,199,255,.85)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#0FA6E8);color:#04121c;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.08)}
.btn-primary:active{transform:translateY(1px);background:var(--brand-deep);box-shadow:none;filter:none}
.btn-ghost{background:transparent;border-color:var(--glass-border);color:var(--brand)}
.btn-ghost:hover{background:rgba(33,199,255,.1);border-color:rgba(33,199,255,.5)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(3,6,12,.62);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:82%;max-width:360px;
  padding:26px 22px;background:rgba(14,20,33,.97);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--glass-border);
  transform:translateX(102%);transition:transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.drawer.open{transform:none}
.drawer-link{display:block;padding:15px 4px;font-size:16px;color:var(--text-1);border-bottom:1px solid var(--glass-border);transition:color .2s,padding-left .25s}
.drawer-link:hover,.drawer-link.active{color:var(--brand);padding-left:10px}

/* ---------- page head ---------- */
.page-head{padding:52px 0 8px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{opacity:.55}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.18em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.page-title{font-size:clamp(28px,4.4vw,46px);line-height:1.22}
.page-title em{font-style:normal;background:linear-gradient(100deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-lead{margin-top:16px;max-width:760px;font-size:16px;color:var(--text-2)}
.head-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.fact{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:var(--glass-bg);border:1px solid var(--glass-border);
}
.fact b{color:var(--text-1);font-variant-numeric:tabular-nums}

/* ---------- tags ---------- */
.tag-scroll{display:flex;gap:10px;overflow-x:auto;padding:6px 0 14px;scrollbar-width:none}
.tag-scroll::-webkit-scrollbar{display:none}
.tag{
  flex:0 0 auto;padding:8px 17px;border-radius:999px;font-size:13px;color:var(--text-2);
  background:var(--glass-bg);border:1px solid var(--glass-border);white-space:nowrap;
  transition:color .25s,background .25s,border-color .25s,box-shadow .25s;
}
.tag:hover{color:var(--text-1);border-color:rgba(124,92,255,.55);background:rgba(124,92,255,.12)}
.tag.is-on{color:var(--text-1);background:rgba(33,199,255,.14);border-color:rgba(33,199,255,.55);box-shadow:0 0 0 1px rgba(33,199,255,.22)}

/* ---------- cta bar ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
  padding:26px 28px;border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(33,199,255,.12),rgba(124,92,255,.12));
  border:1px solid var(--glass-border);backdrop-filter:var(--glass-blur);
  -webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--shadow-card);
}
.cta-bar h3{font-size:19px}
.cta-bar p{font-size:14.5px;color:var(--text-2);margin-top:6px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- section head ---------- */
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}
.section-note{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.section-note::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand)}

/* ---------- falls grid ---------- */
.falls{
  display:grid;grid-template-columns:repeat(3,1fr);
  column-gap:24px;row-gap:0;grid-auto-rows:12px;grid-auto-flow:dense;
}
.fall-card{
  display:flex;flex-direction:column;overflow:hidden;
  margin-bottom:24px;border-radius:var(--r-card);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);
  box-shadow:var(--shadow-card);
  transition:transform .4s cubic-bezier(.2,.7,.3,1),box-shadow .4s ease,border-color .3s ease;
  grid-row:span 26;
}
.fall-card.lg{grid-row:span 46}
.fall-card.md{grid-row:span 34}
.fall-card.sm{grid-row:span 26}
.fall-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(33,199,255,.45)}
.fc-media{position:relative;flex:1 1 auto;min-height:110px;overflow:hidden;background:var(--bg-panel)}
.fc-media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(to top,rgba(7,10,18,.72),transparent);pointer-events:none;
}
.fc-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.2,.7,.3,1);
  filter:saturate(1.02);
}
.fall-card:hover .fc-media img{transform:scale(1.04)}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:600;line-height:1.5;
}
.badge-accent{color:#CFC3FF;background:rgba(124,92,255,.22);border:1px solid rgba(124,92,255,.46)}
.badge-brand{color:#A7E7FF;background:rgba(33,199,255,.18);border:1px solid rgba(33,199,255,.46)}
.badge-warn{color:#FFD68F;background:rgba(255,176,32,.18);border:1px solid rgba(255,176,32,.46)}
.badge-mute{color:var(--text-2);background:rgba(255,255,255,.07);border:1px solid var(--glass-border)}
.fc-media .badge{position:absolute;top:12px;left:12px;z-index:2;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.fc-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px}
.fc-title{font-size:16.5px;line-height:1.5}
.fall-card.lg .fc-title{font-size:19px}
.fc-title a{transition:color .25s,box-shadow .25s}
.fc-title a:hover{color:var(--brand);box-shadow:0 1px 0 0 rgba(33,199,255,.6)}
.fc-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.fc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}
.fc-meta i{width:4px;height:4px;border-radius:999px;background:var(--text-3);opacity:.75}
.fc-foot{margin-top:auto;padding:0 18px 20px}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--brand);transition:gap .25s ease,color .25s ease}
.link-arrow:hover{gap:12px;color:#7FE0FF}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--glass-border);border:1px solid var(--glass-border);
  border-radius:var(--r-lg);overflow:hidden;
}
.stat{padding:26px 20px;background:var(--bg-elev);text-align:center}
.stat strong{display:block;font-size:clamp(24px,3vw,32px);color:var(--text-1);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;padding:24px 22px;border-radius:var(--r-card);
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-3px);border-color:rgba(124,92,255,.45);box-shadow:0 14px 32px -18px rgba(124,92,255,.7)}
.step-no{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--accent);margin-bottom:12px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq-item{
  border-radius:16px;background:var(--glass-bg);border:1px solid var(--glass-border);
  overflow:hidden;transition:border-color .3s ease,background .3s ease;
}
.faq-item[open]{border-color:rgba(33,199,255,.4);background:var(--glass-bg-strong)}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:18px 54px 18px 24px;
  font-size:15.5px;font-weight:600;color:var(--text-1);transition:color .25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:15px;bottom:15px;width:2px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity .26s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:19px;line-height:1;color:var(--brand);transition:transform .26s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-a{padding:0 24px 20px;font-size:14.5px;color:var(--text-2);max-width:900px}

/* ---------- subscribe ---------- */
.sub-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.sub-form .field{
  flex:1 1 240px;min-width:0;height:46px;padding:0 16px;border-radius:var(--r-btn);
  background:rgba(7,10,18,.6);border:1px solid var(--glass-border);
  color:var(--text-1);font-size:14.5px;outline:none;transition:border-color .25s,box-shadow .25s;
}
.sub-form .field::placeholder{color:var(--text-3)}
.sub-form .field:focus{border-color:var(--brand);box-shadow:var(--glow)}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3)}

/* ---------- footer ---------- */
.footer-link{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:color .2s ease,transform .25s ease}
.footer-link:hover{color:var(--brand);transform:translateX(3px)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .falls{grid-template-columns:repeat(2,1fr);column-gap:20px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .section{padding:52px 0}
  .search-wrap .field{width:190px}
  .nav-row{gap:20px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .page-head{padding:34px 0 4px}
  .falls{grid-template-columns:1fr;grid-auto-rows:auto}
  .falls .fall-card{grid-row:auto;margin-bottom:18px}
  .falls .fc-media{flex:0 0 auto;height:196px;min-height:0}
  .cta-bar{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px}
  .faq-a{padding:0 18px 18px}
}
@media (max-width:519px){
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:20px 14px}
  .page-title{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}